harvest-mcp-server

Instructions

Implementation Reference

• src/tools/expenses.ts:95-113 (handler)

  The handler class implementing the deletion logic for an expense by its ID.

  class DeleteExpenseHandler implements ToolHandler {
    constructor(private readonly config: BaseToolConfig) {}
  
    async execute(args: Record<string, any>): Promise<CallToolResult> {
      try {
        const inputSchema = z.object({ expense_id: z.number().int().positive() });
        const { expense_id } = validateInput(inputSchema, args, 'delete expense');
        
        logger.info('Deleting expense via Harvest API', { expenseId: expense_id });
        await this.config.harvestClient.deleteExpense(expense_id);
        
        return {
          content: [{ type: 'text', text: JSON.stringify({ message: `Expense ${expense_id} deleted successfully` }, null, 2) }],
        };
      } catch (error) {
        return handleMCPToolError(error, 'delete_expense');
      }
    }
  }

• src/tools/expenses.ts:218-232 (registration)

  The tool registration for 'delete_expense' which maps the tool name and schema to the DeleteExpenseHandler class.

  {
    tool: {
      name: 'delete_expense',
      description: 'Delete an expense permanently. This action cannot be undone.',
      inputSchema: {
        type: 'object',
        properties: {
          expense_id: { type: 'number', description: 'The ID of the expense to delete' },
        },
        required: ['expense_id'],
        additionalProperties: false,
      },
    },
    handler: new DeleteExpenseHandler(config),
  },